Home / 25,333.92-34,973.28-15,907.68

Finding the Fourth Proportional to 25,333.92, 34,973.28 and 15,907.68

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Solution

The fourth proportional to 25,333.92, 34,973.28 and 15,907.68 is: 21,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,333.92 : 34,973.28 = 15,907.68 : x
  2. Step 2: Convert to fraction form
    25,333.92/34,973.28 = 15,907.68/x
  3. Step 3: Cross multiply
    25,333.92x = 34,973.28 × 15,907.68
  4. Step 4: Simplify right side
    25,333.92x = 556,343,746.79
  5. Step 5: Solve for x
    x = 556,343,746.79/25,333.92
  6. Step 6: Final answer
    x = 21,960.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.